Fix Epson WP-4020 Incompatible Ink Cartridges Error

I. Overview of the Key Downgrade Firmware Epson WP-4020 printer

– On all of ink cartridge of the Epson WP-4020 printer, the manufacturer has been installed ink chips. These chips are available through the printer software installed on the computer, which enables users to monitor the printer’s ink usage. The software will be calculates the remaining ink and informs the user through the “Epson Status Monitor” or on the printer’s LCD screen (if available).
– Once your printer gives the message ‘X ink cartridge is low’, ‘X ink cartridge near end’, ‘X ink cartridge is empty’ … means your printer is running out of ink (one or some colors out of inks). At this time, two solutions are offered: replace the continuous ink supply system (CISS) (cost savings) or replace the genuine cartridge (high price).
– However, when the ink cartridge is inserted into Epson WP-4020 printer, an error message appears: ‘Incompatible Ink Cartridge’ , cause of this error are chips on a continuous ink supply system that is incompatible with Epson WP-4020 printer, exactly has not compatible with the printer’s current firmware. At this time, you must to ‘Change Firmware version’ with Downgrade Firmware version Epson WP-4020 printer to fix ‘Incompatible Ink Cartridge’ error.

– Currently, There are two modes to downgrade firmware version for Epson WP-4020 printer to fix ‘Incompatible Ink Cartridge’ error, that are Regular Mode and Service Mode

1. Downgrade firmware version Epson WP-4020 printer in Regular Mode

FIRMWARE KEY

1. Change to Chipless Firmware - it means printer will not need IC Chips on ink cartridges. Ink levels will be frozen to 100% for ever.
2. Downgrade firmware - this is required when NON ORIGINAL ink cartridges are NOT recognized by printer. This is because printers firmware has been updated from Epson server to newest firmware where not original ink cartridges are forbidden to be used. In this case You have to Downgrade firmware back to old.

Price: $19.99

Price: $18.00

– To perform downgrade firmware Epson WP-4020 printer in Regular Mode, you need to note that the printer must recognized all of the ink cartridges and the ink cartridges installed into Epson WP-4020 printer must be original ink cartridge. This means that you can not use continuous ink supply system (CISS) or non-original ink cartridge to perform Downgrade Firmware because the printer can not recognize them.
– So, all you need to do is install all of the original ink cartridges that come with your printer into the printer (make sure these cartridges are not finished and still in good working order). After Epson WP-4020 printer recognized the ink cartridges. Perform downgrade firmware Epson WP-4020 printer and then you will be able to use continuous ink supply system to printing.
– The following are steps the downgrade firmware for Epson WP-4020 printer by key.
Step 1: Download, install and Open the WIC program
– Free Download Resetter For Windows: Download
– Free Download Resetter For MAC OS: Download

Step 2: Checking Epson WP-4020 printer by click to “Status” button

In this step, if one of ink cartridges do not original cartridge then can not check Epson printer status.
Step 3: Click to “Close”

2. Downgrade firmware version Epson WP-4020 printer in Service Mode

If you have problems with the original ink cartridge, you can not Downgrade firmware in Regular Mode then you should perform Downgrade firmware version Epson WP-4020 printer in Service Mode
Step 1: After open WIC program. Click to “Change firmware version”

Step 2: Make to the following steps to login “Service Mode” of Epson WP-4020 printer (Firmware Update Mode). After login to “Service Mode” the name Epson WP-4020 will be display Epson MFP-IPL, please pay attention on it.

Step 3: Select Firmware version of Epson WP-4020 printer in dropdown list. Then click to “Update”

1. Change to Chipless Firmware - it means printer will not need IC Chips on ink cartridges. Ink levels will be frozen to 100% for ever.
2. Downgrade firmware - this is required when NON ORIGINAL ink cartridges are NOT recognized by printer. This is because printers firmware has been updated from Epson server to newest firmware where not original ink cartridges are forbidden to be used. In this case You have to Downgrade firmware back to old.